The Walker Products Engine Oil Pressure Switch (part number 256-1263) is a direct-fit replacement for 1992-1999 Land Rover vehicles with 3.9L, 4.0L, and 4.2L engines. Walker Products Oil Pressure Switches are OE Replacement components that monitor engine lubrication pressure to protect against low-oil conditions and prevent engine damage.
Features:
- OE Replacement Calibration:Â Matches original specs for pressure activation point, thread pitch, and electrical response.
- Exact OE Fit: Installs directly in the factory location using original threads and connectors—no modifications required.
- Engineered for Harsh Conditions:Â Built to resist high temperatures, oil exposure, and vibration in demanding engine environments.
- Prevents Engine Damage:Â Helps protect vital components by alerting the driver or system to low oil pressure conditions.
- Monitors Oil Pressure Levels:Â Activates dashboard warning or ECU input when oil pressure falls below safe operating thresholds.
Specifications:
| Number of Terminals | 1 |
| Connector Type | Spade |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1992-1999 Land Rover models including Defender 110, Defender 90, Discovery, and Range Rover — 3.9L, 4.0L, and 4.2L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
